/*
 *   Licensed to the Apache Software Foundation (ASF) under one
 *   or more contributor license agreements.  See the NOTICE file
 *   distributed with this work for additional information
 *   regarding copyright ownership.  The ASF licenses this file
 *   to you under the Apache License, Version 2.0 (the
 *   "License"); you may not use this file except in compliance
 *   with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing,
 *   software distributed under the License is distributed on an
 *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *   KIND, either express or implied.  See the License for the
 *   specific language governing permissions and limitations
 *   under the License.
 *
 */

package org.apache.directory.http.client.ui.renderer;


import java.awt.Component;

import javax.swing.DefaultListCellRenderer;
import javax.swing.Icon;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;

import org.apache.directory.http.client.data.model.EntryData;


/**
 * TODO EntryDataCellRenderer.
 *
 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
 */
public class EntryDataCellRenderer extends DefaultListCellRenderer
{

    private String attrName;

    protected static Border noFocusBorder = new EmptyBorder( 1, 1, 1, 1 );
    private static final Border SAFE_NO_FOCUS_BORDER = new EmptyBorder( 1, 1, 1, 1 );


    public EntryDataCellRenderer( String attrName )
    {
        this.attrName = attrName;
    }


    public Component getListCellRendererComponent( JList list, Object value, int index, boolean isSelected,
        boolean cellHasFocus )
    {
        setComponentOrientation( list.getComponentOrientation() );
        if ( isSelected )
        {
            setBackground( list.getSelectionBackground() );
            setForeground( list.getSelectionForeground() );
        }
        else
        {
            setBackground( list.getBackground() );
            setForeground( list.getForeground() );
        }

        if ( value instanceof Icon )
        {
            setIcon( ( Icon ) value );
            setText( "" );
        }
        else
        {
            setIcon( null );
            
            EntryData entry = ( EntryData ) list.getModel().getElementAt( index );
            try
            {
                String name = entry.getString( "ads-interceptorClassName" );

                int dotPos = name.lastIndexOf( '.' ) + 1;

                name = name.substring( dotPos );
                setText( name );
            }
            catch ( Exception e )
            {
                setText( entry.toString() );
                JOptionPane.showMessageDialog( null, e );
            }

        }

        setEnabled( list.isEnabled() );
        setFont( list.getFont() );

        Border border = null;
        if ( cellHasFocus )
        {
            if ( isSelected )
            {
                border = UIManager.getBorder( "List.focusSelectedCellHighlightBorder" );
            }
            if ( border == null )
            {
                border = UIManager.getBorder( "List.focusCellHighlightBorder" );
            }
        }
        else
        {
            border = getNoFocusBorder();
        }
        setBorder( border );

        return this;
    }


    private Border getNoFocusBorder()
    {
        if ( System.getSecurityManager() != null )
        {
            return SAFE_NO_FOCUS_BORDER;
        }
        else
        {
            return noFocusBorder;
        }
    }

}
